Algae biofuel research

Algae biofuel research

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This image is part of the feature Superfuel From Superbugs

Credit: VOLKER STEGER/SCIENCE PHOTO LIBRARY

Caption: Algae biofuel research. Researcher from GreenFuel Technologies, USA, holding a test tube containing algae grown in media. Algae are photosynthesising microorganisms that can produce large amounts of lipids. GreenFuel Technologies has built a system that feeds waste carbon dioxide (CO2) from smokestacks into an algae bioreactor where it is converted by algae into lipids. Algae lipids can be used as vegetable oil or processed into biodiesel. Algae can also be dried and used as a fertiliser, livestock feed or biomass fuel. Algae biodiesel offers many advantages over fossil fuels, such as high yield, rapid growth rate and simple cultivation. It is also biodegradable and non-toxic. Photographed in 2007.

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